- Add cal.thesatelliteoflove.com:172.20.0.5 to MMDL extra_hosts for internal communication
- Update DEPLOYMENT_LEARNINGS.md with comprehensive hairpinning documentation
- Update CLAUDE.md with hairpinning guidance and correct deployment commands
- Document standard pattern for Docker container internal domain resolution
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Co-Authored-By: Claude <noreply@anthropic.com>